FAST ROLL-UP DOOR COMPRISING A CURTAIN HAVING RESILIENT EDGES
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United States of America Patent
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Issued Date -
Dec 1, 2016
app pub date -
Feb 10, 2015
filing date -
Feb 12, 2014
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Abstract
The present invention concerns a fast roll-up door for closing an aperture (20), said roll-up door comprising:
- (a) a curtain (1) having two opposite and parallel lateral edges extending along a longitudinal direction, and two opposite end edges joining the lateral edges, each of the two lateral edges being held in,(b) a pair of elongated guiding rails (4) suitable for holding the lateral edges of the curtain, and for guiding them as the curtain is being wound or unwound about a rotating axle, X1,
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